RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: K97c
SCM Type: DDL - Diffuse Double Layer
Ligand: SO4<2-> - sulfate
Site Type: »Fe-OH
Equation: »Fe-OH + SO4<2->  ⇔  »Fe-OH-SO4<2->
LogK: -0.454 ± 0.043         LogK°I=0 (Conversion to I = 0):   -0.45         LogK2.31 nm−2 (SSD-normalized):   0.48
Experiment: Potentiometric Titration
Ionic Strength: 0.0 mol/L NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 3.48 g/L
pH Range: 3.5-7
Ligand Concentration Range: 2.13E-4 mol/L
Fit Method: FITEQL
Comment: model C with two surface groups; standard deviation=1 sigma
 
1 data sets were retrieved